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> If a VIF has been ready for rx_stall_timeout (60s by default) and an
> Rx ring is drained of all requests an Rx stall will be incorrectly
> detected. When this occurs and the guest Rx queue is empty, the Rx
> ring's event index will not be set and the frontend will not raise an
> event when new requests are placed on the ring, permanently stalling
> the VIF.
>
> This is a regression introduced by eb1723a29b9a7 (xen-netback:
> refactor guest rx).
>
> Fix this by reinstating the setting of queue->last_rx_time when
> placing a packet onto the guest Rx ring.
>
> Signed-off-by: David Vrabel <david.vra...@citrix.com>
Applied.